Bloomberg Facebook Inc. hired Hugo Barra to lead its virtual reality efforts just days after he quit Chinese smartphone maker Xiaomi Corp. Barra, who led Xiaomi’s international expansion, will now take on a different challenge as vice president of virtual reality. He will need to navigate the competitive and young market, where Facebook’s Oculus Rift and Gear products have …

  Bloomberg Apple Inc. is set to join the Partnership on AI, an artificial intelligence research group that includes Amazon.com Inc., Alphabet Inc.’s Google, Facebook Inc. and Microsoft Corp. Apple’s admission into the group could be announced as soon as this week, according to people familiar with the situation. Representatives at Apple and the Partnership on AI declined to comment. …

  Bloomberg You need two primary pieces of information from a dive computer: your depth and how much time you have left before too much nitrogen gives you the bends. More advanced gadgets can tell you about the temperature of the water and the quality of the air left in your tank and may come with a submersible pressure gauge …